Lounge chair



FIG. 1 is a perspective view of a lounge chair comprising the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof. 

The ornamental design for a lounge chair, as shown and described. 